Weather & Climate
Weather forecasts, historical climate data, and air quality APIs
Weather & Climate API Comparison Overview
Top Endpoints| API Service | Auth Type | Rate Limit | Security | Direct Link |
|---|---|---|---|---|
| Open-Meteo | No Key | Sınırsız | HTTPS • CORS | Docs |
| OpenWeatherMap | Free Key | 1000 çağrı/gün | HTTPS • CORS | Docs |
| WeatherAPI | Free Key | 1M çağrı/ay | HTTPS • CORS | Docs |
| Visual Crossing | Free Key | 1000 çağrı/gün | HTTPS • CORS | Docs |
| Tomorrow.io | Free Key | 500 çağrı/gün | HTTPS • CORS | Docs |
| Meteostat | Free Key | Değişken | HTTPS • CORS | Docs |
Available Endpoints (14)
Open-Meteo
Zero authentication required, completely free, 16-day forecast, unlimited requests
OpenWeatherMap
7-day weather forecast, current conditions, and historical records
WeatherAPI
Comprehensive real-time weather and astronomical datasets
Visual Crossing
50-year historical weather records and global meteorological forecasts
Tomorrow.io
Advanced hyperlocal weather intelligence, wind vectors, and alert feeds
Meteostat
Open meteorological historical weather data archive and climate trends
AccuWeather
Enterprise-grade weather forecasts and high-resolution radar feeds
Weatherbit
High-resolution historical and current weather and solar telemetry
Weatherstack
Real-time global weather and geolocation lookup engine
World Weather Online
Global worldwide weather, marine, and ski resort forecasting
NOAA (ABD Hava Servisi)
Official US National Weather Service open API, zero key needed
Yr.no (Norveç)
Norwegian Meteorological Institute open public weather feeds
AirVisual
Global real-time air quality index (AQI) and pollution sensor datasets
About Free Weather & Climate APIs
This directory curates 14 verified public APIs in the Weather & Climate domain. Developers can build dashboards, mobile applications, automation bots, and microservices with these ready-to-integrate endpoints without upfront billing.
Do I need an API key?
Several APIs listed here operate as Zero-Auth services where you can execute queries directly. Others provide free developer tiers with an instant key upon registration.
Does FreeAPI support CORS?
Yes, all endpoints can be called through FreeAPI Smart Edge Gateway to bypass browser CORS headers and inspect live responses.